Abstract
The effect of chiral phase transition on the properties of the axion in the Nambu-Jona-Lasinio two-flavor model was studied at finite temperature. We tend to study and analyze the changes of thermodynamic potential, and note that the changes of temperature, coupling parameters and quark chemical potential have great influence on thermodynamic potential. Then the variations of axion mass, self-coupling and quark condensation are given by numerical calculation.
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